diff --git a/.github/workflows/gen_centos9_continuous.yml b/.github/workflows/gen_centos9_continuous.yml
index 0e0281718e2..d9399777074 100644
--- a/.github/workflows/gen_centos9_continuous.yml
+++ b/.github/workflows/gen_centos9_continuous.yml
@@ -106,7 +106,7 @@ jobs:
         shell: bash
         run: "mv ~/rpmbuild/RPMS/*/*.rpm wezterm-nightly-centos9.rpm"
       - name: "Upload artifact"
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: "centos9"
           path: "wezterm-*.rpm"
diff --git a/.github/workflows/gen_debian10.3_continuous.yml b/.github/workflows/gen_debian10.3_continuous.yml
index a8e645cf7dd..ad2c6095c8f 100644
--- a/.github/workflows/gen_debian10.3_continuous.yml
+++ b/.github/workflows/gen_debian10.3_continuous.yml
@@ -106,7 +106,7 @@ jobs:
         shell: bash
         run: "bash ci/deploy.sh"
       - name: "Upload artifact"
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: "debian10.3"
           path: |
diff --git a/.github/workflows/gen_debian11_continuous.yml b/.github/workflows/gen_debian11_continuous.yml
index 57405c97d3c..4713e7e7568 100644
--- a/.github/workflows/gen_debian11_continuous.yml
+++ b/.github/workflows/gen_debian11_continuous.yml
@@ -106,7 +106,7 @@ jobs:
         shell: bash
         run: "bash ci/deploy.sh"
       - name: "Upload artifact"
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: "debian11"
           path: |
diff --git a/.github/workflows/gen_debian12_continuous.yml b/.github/workflows/gen_debian12_continuous.yml
index 89d798957a0..e7197609c94 100644
--- a/.github/workflows/gen_debian12_continuous.yml
+++ b/.github/workflows/gen_debian12_continuous.yml
@@ -106,7 +106,7 @@ jobs:
         shell: bash
         run: "bash ci/deploy.sh"
       - name: "Upload artifact"
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: "debian12"
           path: |
diff --git a/.github/workflows/gen_fedora38_continuous.yml b/.github/workflows/gen_fedora38_continuous.yml
index dadc6c0c2c1..fb1777522f3 100644
--- a/.github/workflows/gen_fedora38_continuous.yml
+++ b/.github/workflows/gen_fedora38_continuous.yml
@@ -103,7 +103,7 @@ jobs:
         shell: bash
         run: "mv ~/rpmbuild/RPMS/*/*.rpm wezterm-nightly-fedora38.rpm"
       - name: "Upload artifact"
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: "fedora38"
           path: "wezterm-*.rpm"
diff --git a/.github/workflows/gen_fedora39_continuous.yml b/.github/workflows/gen_fedora39_continuous.yml
index 436275fc47c..fc4a1525202 100644
--- a/.github/workflows/gen_fedora39_continuous.yml
+++ b/.github/workflows/gen_fedora39_continuous.yml
@@ -103,7 +103,7 @@ jobs:
         shell: bash
         run: "mv ~/rpmbuild/RPMS/*/*.rpm wezterm-nightly-fedora39.rpm"
       - name: "Upload artifact"
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: "fedora39"
           path: "wezterm-*.rpm"
diff --git a/.github/workflows/gen_fedora40_continuous.yml b/.github/workflows/gen_fedora40_continuous.yml
index 0e563e45700..8b56084c8a7 100644
--- a/.github/workflows/gen_fedora40_continuous.yml
+++ b/.github/workflows/gen_fedora40_continuous.yml
@@ -103,7 +103,7 @@ jobs:
         shell: bash
         run: "mv ~/rpmbuild/RPMS/*/*.rpm wezterm-nightly-fedora40.rpm"
       - name: "Upload artifact"
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: "fedora40"
           path: "wezterm-*.rpm"
diff --git a/.github/workflows/gen_macos_continuous.yml b/.github/workflows/gen_macos_continuous.yml
index a7ff4d77590..cc585603bc8 100644
--- a/.github/workflows/gen_macos_continuous.yml
+++ b/.github/workflows/gen_macos_continuous.yml
@@ -100,7 +100,7 @@ jobs:
         shell: bash
         run: "bash ci/deploy.sh"
       - name: "Upload artifact"
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: "macos"
           path: "WezTerm-*.zip"
diff --git a/.github/workflows/gen_ubuntu20.04_continuous.yml b/.github/workflows/gen_ubuntu20.04_continuous.yml
index 0c350aaf3e3..a3917e104d6 100644
--- a/.github/workflows/gen_ubuntu20.04_continuous.yml
+++ b/.github/workflows/gen_ubuntu20.04_continuous.yml
@@ -120,7 +120,7 @@ jobs:
         shell: bash
         run: "bash ci/appimage.sh"
       - name: "Upload artifact"
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: "ubuntu20.04"
           path: |
diff --git a/.github/workflows/gen_ubuntu22.04_continuous.yml b/.github/workflows/gen_ubuntu22.04_continuous.yml
index 34f2b891859..e54fe0b89b3 100644
--- a/.github/workflows/gen_ubuntu22.04_continuous.yml
+++ b/.github/workflows/gen_ubuntu22.04_continuous.yml
@@ -106,7 +106,7 @@ jobs:
         shell: bash
         run: "bash ci/deploy.sh"
       - name: "Upload artifact"
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: "ubuntu22.04"
           path: |
diff --git a/.github/workflows/gen_ubuntu24.04_continuous.yml b/.github/workflows/gen_ubuntu24.04_continuous.yml
index 6b4bf612672..bef647cfc47 100644
--- a/.github/workflows/gen_ubuntu24.04_continuous.yml
+++ b/.github/workflows/gen_ubuntu24.04_continuous.yml
@@ -106,7 +106,7 @@ jobs:
         shell: bash
         run: "bash ci/deploy.sh"
       - name: "Upload artifact"
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: "ubuntu24.04"
           path: |
diff --git a/.github/workflows/gen_windows_continuous.yml b/.github/workflows/gen_windows_continuous.yml
index c470f796685..94c0f017b01 100644
--- a/.github/workflows/gen_windows_continuous.yml
+++ b/.github/workflows/gen_windows_continuous.yml
@@ -85,7 +85,7 @@ jobs:
         shell: bash
         run: "bash ci/deploy.sh"
       - name: "Upload artifact"
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: "windows"
           path: |
diff --git a/ci/generate-workflows.py b/ci/generate-workflows.py
index 7e9bc5dfe57..b83255bbf78 100755
--- a/ci/generate-workflows.py
+++ b/ci/generate-workflows.py
@@ -609,7 +609,7 @@ def upload_artifact_nightly(self):
         return steps + [
             ActionStep(
                 "Upload artifact",
-                action="actions/upload-artifact@v3",
+                action="actions/upload-artifact@v4",
                 params={"name": self.name, "path": paths, "retention-days": 5},
             ),
         ]